โ Scribed by Jones, N. Clarke
No coin nor oath required. For personal study only.
olwrvcdt iiiid n filter ( B ) consiseiiig of two soslilct filter p;ipcrs for rciiiornl of precipittitccl siilphiir in order thnt tlic colourccl soliition mtiy be kept clear and more easily csii~uiuccl. 133' znetiiis of tlic nir lift (C) the strcriin of gas to bc nnnlyscxl is iitilizctl to circulate t.lw solution.
Thc desigii of this air lift slioiiltl IJC closcly follo\vctl. If tlic usual desigir is usctl ;I sinrill rinicmnt, of liquor iiiay lie trnpped in the Iwiinch t,iil)c and this will absorb thc Iiy(lropi sulpliitle in thc inlet gas, giving a falsc colour (due to tlie sninllncss of tlic volnnic).
The apparatus in Fig. 9 is 11sct1 to est,illliitc thc hydrogen sulphitlc content of air containing froin 60 to ,500 pnrts per inillion. It contnins 100 niillilitrcs of tlic specified nitropriisside nnd is i i d \vit,li 1111 air ratc of 100 litrcs pcr hoiir. Tlic colo~ir cliiiiigcs nre similar to tliosc for the srifcty indicnt,or. 'l!lic npparntus in Fig. 3 is ti slight.ly modified foriii for use with air contaii~i)~g 2 to 10 p r t < s per iiiillion of hydrogen sulpliicle. I t cont.nins 30 niillilitrcs of t.lic spccificd nitroprussitlc solut ioii iind is i i w d w i t h :in :iir riitc of 1000 litxcs per hour.
๐ SIMILAR VOLUMES
Natural Resources through Chemical Research, held during the Annuol Meeting o f the Society in Canada on lune 21, 1938) l'lic wootl-rising iiidustrics of Cniiiii1:i iiiny he clivi~lctl into two iiinjor groiips, i i : i i i i c l ~ ( I ) The l'dp iilitl h p c r Iiidustry, niid (2) Tlic 'l'iiiiber Iii
## Abstract **BACKGROUND:** Solid waste emanating from tanneries contains a high percentage of protein with raw trimmings from hides constituting a significant percentage of the solid waste. In this study, organically stabilized trimmings (OST) have been used as an adsorbent material for removal of
At ri joint iiicctirig of it nuinl~cr of cliciniciil societies nntl institutions in T~orirloii in Jdp, 1!)2G, Dr. \V. It. Orinirndy dclivcrcd n Iccturc on the production of sugnr from wood. 111 this lecture lie rcfcrrctl to the process of sncc1i:rrificntioii of wood, wlricli Iiiis bcen developed by